氣動力起動機 的英文怎麼說
中文拼音 [qìdònglìqǐdòngjī]
氣動力起動機
英文
air impingement starter-
Tahir r b, molder s and timofeev e v. unsteady starting of high number air inlets - a cfd study [ r ]. aiaa 2003 - 5191
梁德旺,袁化成,張曉嘉.影響高超聲速進氣道起動能力的因素[ c ] / / 2005年沖壓發動機技術交流會論文集, 2005Flying boat is a controllable aircraft that can flying in the air, the flotage provided by the helum - filled bag inside the flying boat can support the boat and it s load in the air, motor pushing it forward ; the direction is guided by the device on it s tail, going down of the boat is made by escaping the gas inside, it can rise or fall straightly or stay in the air, no necessity of special site for taking off
飛艇是一種可操縱的浮於空中的飛行器。在飛行中主要依靠內部充滿氦氣的氣囊提供的浮力,將飛艇及其載荷支持在空中,發動機為其提供前進的動力,通過操縱尾翼上的升降舵和方向舵控制飛艇的俯仰和方向運動,飛艇的下降是通過排放氣來實現的。飛艇可以垂直起降空中懸停,不需要有專用設備的起降場。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。The paper discusses dynamical conditions of the supercritical ore - forming fluid system based on study of regional geological background and analyses of physiochemical conditions of ore - forming process and puts forth the ore - forming mechanism : upper mantle uplift - mingling of meteoric water and magmatic hydrothermal fluid separated from acidic magma under tensile or transitional tensile environment - water / rock reaction - transportation - chemical coupling ore precipitation
在分析超臨界成礦流體系統形成的區域地質背景和研究成礦物理化學條件的基礎上,探討了超臨界成礦流體系統形成的動力學條件,提出該系統的成礦機理:與燕山晚期酸性火山侵入巖漿有關的金銅礦床是在上地慢隆起、張性或向張性過渡背景下形成的,酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters
通過對電控可變氣門系統的主要結構參數,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些結構參數存在一組最佳值。Abb has also supplied telecommunications packages for the gas processing plant - which are fully integrated with the plant automation system - and electrical tagged equipment systems including motor starters, transformers, distribution boards and battery systems
Abb還為氣體處理廠提供與處理廠的自動化系統完全整合的電信軟體包,以及電力標簽設備系統,包括電機起動器、變壓器、配電板和電池系統。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。Counters for applications for various permits and certificates for trade or import export purposes of the agriculture, fisheries and conversation department, applications for incorporation and registration of companies, public searches of the companies registry, registration services for medical and healthcare professionals, registration and licensing services relating to chinese medicines, school dental clinics, sai ying pun dermatological clinic and chai wan social hygiene clinic of the department of health, shroff for receiving payment of debts damages of the department of justice, some support services to schools, teachers and the general public provided by the education and manpower bureau, registration services for electrical workers, lpg cylinder wagons, lifts and escalators, builders lifts tower working platforms and amusement rides provided by the electrical and mechanical services department, processing of sick leave clearance for employees claiming work injury compensation by the labour department, sections dealing with family litigation and insolvency matters and criminal matters of the legal aid department, licensing and port formalities at four marine offices and advance booking of professional ship surveying and inspection service of the marine department, services for offenders and medical social services at department of healths kowloon bay integrated treatment centre provided by the social welfare department, road driving tests and driving ability assessment services to people with disabilities provided by the transport department and customer enquiry centres and meter testing services of the water supplies department will move to a five - day week with effect from january 1, 2007
漁農自然護理署處理貿易或進出口許可證和證明書申請的櫃臺公司注冊處的申請注冊成立公司及辦理公司登記服務公眾查冊生署的醫護專業人員的注冊服務中醫藥注冊和發牌事務學童牙科診所西營盤皮膚科診所及柴灣社會生科診所律政司的接收償還債款損害賠償繳費處教育統籌局為學校教師和公眾提供的部分支援服務機電工程署的電業工程人員石油氣瓶車升降機及自動梯建築工地升降機塔式工作平臺及機動游戲機的注冊服務勞工處為申索工傷補償的雇員辦理銷假手續法律援助署負責處理家事訴訟清盤及刑事事宜的組別海事處的四個海事分處的發牌服務及關務專業船舶檢驗及檢查服務的預約服務社會福利署的違法者服務及於生署九灣綜合治療中心提供的醫務社會服務運輸署的路試駕駛考試及殘疾人士駕駛能力評估服務,以及水務署的客戶諮詢中心及水表測試服務等,都會在二零零七年一月一日起推行五天工作周。This paper studies the air - fuel ratio and light - off temperature performance of two different kinds of cng special oxidation catalyst converter, and primarily finds their purification capacity of cng engine emission and the differences between them by comparative analysis of the test results
摘要對兩種天然氣專用氧化型催化器進行了空燃比和起燃溫度特性試驗,對比並分析了試驗結果,初步了解了兩種催化器時天然氣發動機排放的凈化能力以及它們之間的性能差異。( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst
( 9 )進行了催化轉化器與排氣系統的匹配研究,對于催化劑的布置,提出了「分級凈化,逐級推動」的原則;對于載體形式的選擇,提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時,排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。Upon above advantage, we can realise that the airboat is very suitalbe for every advertising company and enterprises, low cost, high efficiency, it brings the commercial advertising from the groung to the sky, from the static to moving, from silence to soundable, the shape of streamline is adopted to have very good ability of anti winding, stable flying and agility, it can take off vertically, forwarding or backwarding, presenting a fully new carrier to advertising circles, becoming a focus of people in the world
綜合以上的優點不難看出,遙控飛艇非常的適用於各廣告公司,各種企業購買使用,成本低,見效快,它將商業廣告從地面發展到空中,由靜態變為動態,由無聲變有聲,遙控飛艇採用流線外型,氣動性能好,抗風能力強,飛行平穩,機動靈活,可垂直起落,俯沖爬升,前進後退,空中懸停,拋撒資料,施放彩色煙霧,空中攝影攝像等,向廣告界展示了一個新穎的廣告載體。New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported
主要內容包括:在總結決策分析與專家系統規則庫技術的基礎上,提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制,該機制能有效的將定量計算和定性知識融為一體,將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來;在多屬性效用理論的基礎上,建立了一般形式的復式效用模型,並實用化了全相關乘式效用模型,提供了較完善的通用建模、分析和解釋功能:引入了com dcom組件技術,開發了基於組件的widss系統,該系統基於形式化推理機制,易於擴展,能夠面向多種決策問題,具有較強的通用性;建立了遠程多管火箭炮全炮動力學模擬模型,將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中;利用碰撞接觸理論,對火箭彈在定向器管內的運動受力情況進行了模擬計算;建立了遠程多管火箭炮箱式發射改進方案模型,並利用動力學模擬計算結果在widss系統中進行了方案性能評估。Yl series single phase two value capacitor induction motor is designed and manufactured in accordance with state standards, with outstanding performance of starting and operation, low noise, compact dimensions, light weight, easy maintenance, etc. these motors are widely used in air compressors
Yl系列單相電容起動電動機符合iec標準,適用於要求起動轉矩大且對起動電流小電力供應受限制的地域,可廣泛應用於水泵空氣壓縮機農業建築業製造業。This noncontact distributor assembly, which deletes mechanical breaker contact, utilizes ic ignition module assembly free of burn out of contact. therefore it has a higher ignition voltage, higher ignition volume, as well as functions of overvoltage protection, low speed & low voltage protection and power cut upon shut down. these functions are of benefit to improvement to the motive performance, economical efficiency and start up ability of engine while reduce waste exhaust
該無觸點分電器總成取消了機械斷電器觸點,採用了集成電路組成的點火模塊總成,不存在觸點的燒蝕,因此點火電壓高,點火能量大,並具有過壓保護、低速低壓啟動、停車斷電等多項功能,有利於改善發動機的動力性,經濟性和起動性能,減少了排氣污染。It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion
討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施:降低平均煙氣流速;降低飛灰濃度;使用鰭片管、螺旋翅片管代替光管;選擇合適的結構及排列方式,減少煙氣中so3的含量;提高受熱面壁溫使之大於煙氣的露點溫度;採用抗腐蝕材料作受熱面等防腐蝕的措施。Firstly, a dynamics equation is got by analyzing the aerodynamics change brought by aircraft differential tail
首先,分析差動平尾所引起的飛機氣動力的變化,從而導出相應的飛機動力學方程。Piston - linkage mechanism, as the mechanism to transfer the power of engine, bearing the heavy gas - explosive force, inertial force etc, is easy to arise vibration and noise. besides, the joint clearance in mechanism could also irritate the vibration and worsen the dynamic properties of mechanism
作為內燃機動力傳遞機構的活塞連桿機構,由於在周期性的工作循環中,承受著強大的氣體作用力,往復慣性力、離心慣性力等的沖擊,極易引起振動和噪音;同時由於運動副間隙的存在加大了振動的影響,惡化了機構的動態性能。The air inlet noise is one of the major aerodynamic noises of the diesel generator as a result of the pressure fluctuation caused by the periodic opening and closing of the inlet valve
進氣噪聲是柴油機的主要空氣動力噪聲之一,它是由進氣門的周期性開啟與閉合而產生的壓力起伏變化而形成的。In order to make the tunnel hoods have a better effect on the respect of alleviating the aerodynamics in tunnels, the theory of the generating and propagation of the compression wave in tunnels should be research and the effects of all kinds of tunnel hoods on the compression wave should be analyzed
為了使隧道緩沖結構在減小隧道空氣動力效應方面起到更好的作用,須深入研究有關隧道壓縮波的形成及傳播機理,比較分析不同形式緩沖結構對其影響等一系列問題。分享友人